/Engine/Source/Runtime/Engine/Classes/Engine/Texture.h
Do not actually do anything for copy constructor or assignments, this is required for as long as we need to support the old bulkdata code path (although previously storing these allocations as raw pointers would allow it to be assigned, this would most likely cause a mismatch in lock counts, either inFTextureSourceor the underlying bulkdata and was never actually safe)
FMipAllocation &40; const FMipAllocation & &41;